National Weather Service

News Headlines

New: 2025 In Review - Heat Dominates for a 3rd Year in Row; A March Historic Flood and Continued Water Issues Made Headlines
January-March 2026 Outlook - Drier and Warmer than Normal Conditions Expected To Continue; Drought, Wildfire Potential, Water Supply Issues and Cold Fronts Remain In Focus

Hazardous Weather Conditions

Freeze Warning in effect from January 25, 09:00 PM CST until January 26, 10:00 AM CST
Extreme Cold Warning in effect from January 26, 03:00 AM CST until January 26, 08:00 AM CST

Current conditions at

Mid Valley Airport (KTXW)

Lat: 26.18°NLon: 97.97°WElev: 70ft.

Overcast

37°F

3°C

Humidity	91%
Wind Speed	N 16 G 20 mph
Barometer	30.05 in
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Wind Chill	28°F (-2°C)
Last update	25 Jan 6:35 am CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Mercedes TX

Freeze Warning January 25, 09:00pm until January 26, 10:00am

Extreme Cold Warning January 26, 03:00am until January 26, 08:00am

Click here for hazard details and duration

Freeze Warning

Extreme Cold Warning

Today
High: 50 °F
Decreasing
Clouds
Tonight
Low: 29 °F
Mostly Clear
Monday
High: 50 °F
Sunny
Monday Night
Low: 29 °F
Mostly Clear
Tuesday
High: 62 °F
Sunny
Tuesday Night
Low: 46 °F
Mostly Cloudy
Wednesday
High: 63 °F
Partly Sunny
Wednesday Night
Low: 43 °F
Partly Cloudy
Thursday
High: 68 °F
Partly Sunny

Detailed Forecast

Today

Mostly cloudy, then gradually becoming sunny, with a high near 50. Wind chill values between 30 and 40 early. North northwest wind 13 to 17 mph, with gusts as high as 28 mph.

Tonight

Mostly clear, with a low around 29. Wind chill values between 21 and 26. North wind around 14 mph, with gusts as high as 24 mph.

Monday

Sunny, with a high near 50. Wind chill values between 20 and 30 early. North northwest wind 11 to 16 mph, with gusts as high as 26 mph.

Monday Night

Mostly clear, with a low around 29. North wind 7 to 10 mph.

Tuesday

Sunny, with a high near 62. North wind around 7 mph becoming east in the afternoon.

Tuesday Night

Mostly cloudy, with a low around 46. East wind 5 to 7 mph becoming light and variable.

Wednesday

Partly sunny, with a high near 63. North wind 6 to 10 mph.

Wednesday Night

Partly cloudy, with a low around 43. Northeast wind 5 to 7 mph.

Thursday

Partly sunny, with a high near 68. North northeast wind 6 to 10 mph becoming east southeast in the afternoon.

Thursday Night

A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 55. East wind 6 to 10 mph.

Friday

A 40 percent chance of showers. Mostly cloudy, with a high near 70. East northeast wind 7 to 11 mph becoming north northwest in the morning. Winds could gust as high as 21 mph.

Friday Night

A 50 percent chance of showers. Mostly cloudy, with a low around 44.

Saturday

A 30 percent chance of showers. Partly sunny, with a high near 58.